Analysis

  • max time kernel
    13s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    12-08-2021 05:20

General

  • Target

    NEW PURCHASE ORDER.exe

  • Size

    982KB

  • MD5

    bcb77b64ef4a369f8b381aff4c6f1c57

  • SHA1

    4624958cd8a724ad01868331d9a78a64fb0cdcb0

  • SHA256

    142cf7f01ff7c99da5e16196325e3fa3a6d867ff0e50696d727c92696ba97ccf

  • SHA512

    9249aea1d4a0d467c544271297ee7b88851c586c9afab522f845a071d7551bbefdfc49b516d13bb5d31277ab194026ecd5852e0d751b0527e7543a2d9607405a

Malware Config

Signatures

  • RevcodeRat, WebMonitorRat

    WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.

  • WebMonitor Payload 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.exe
      "C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.exe"
      2⤵
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1268
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\pYnD0E2x2yaik93I.bat" "
        3⤵
          PID:3580

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\pYnD0E2x2yaik93I.bat
      MD5

      0a4206af8aebf040695f7ba512e1b49c

      SHA1

      734f48c4eab523a4d5ff39c2545ceb138f36286b

      SHA256

      f54b9b737049d9bdd1e49c94c8db1e2c4fe1d8125537817ecb70538e03cf3b83

      SHA512

      599aa7125bbf27ffd0569e2cd546953fa776c7dc14ab6f39773babe389430f9f740d3ee47417edcefab8849ad11465cb735bf1269082bbd46e7819469380f344

    • memory/1268-114-0x000000000049D8CA-mapping.dmp
    • memory/1268-116-0x0000000000400000-0x00000000004F3000-memory.dmp
      Filesize

      972KB

    • memory/1496-115-0x00000000001E0000-0x00000000001E2000-memory.dmp
      Filesize

      8KB

    • memory/3580-117-0x0000000000000000-mapping.dmp